Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 237, NWS Birmingham, AL

June 25, 2023Clay County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 25, 2023, 7:21 PM CDT for Clay County, Alabama. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 25, 2023, 7:21 PM CDT (00:21 UTC)
Expired: Jun 25, 2023, 7:45 PM CDT
In force: 24 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Clay County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 25, 5:26 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.4 hours before the alert went out and 86 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2535 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 10.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 3:57 PM CDT, 3 hours 24 minutes earlier.

Area forecast discussion, Jun 25, 3:57 PM CDT, 3 hours 24 minutes before

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Hazardous weather outlook, Jun 25, 3:42 PM CDT, 3 hours 39 minutes before

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In the hours before

Local storm report, Jun 25, 7:02 PM CDT, 19 minutes before

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Local storm report, Jun 25, 7:04 PM CDT, 17 minutes before

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Local storm report, Jun 25, 7:09 PM CDT, 12 minutes before

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Local storm report, Jun 25, 7:10 PM CDT, 11 minutes before

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Local storm report, Jun 25, 7:13 PM CDT, 8 minutes before

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Special weather statement, Jun 25, 7:18 PM CDT, 3 minutes before

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The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 7:15 PM CDT	Severe Thunderstorm Warning	BMX	Coosa	60 min
Jun 25, 7:18 PM CDT	Special Weather Statement	BMX	Chambers, Lee, Tallapoosa	27 min
Jun 25, 7:43 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee, Macon, Russell, Tallapoosa	62 min
Jun 25, 8:02 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	58 min
Jun 25, 8:13 PM CDT	Severe Thunderstorm Warning	BMX	Coosa	32 min
Jun 25, 8:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BMX	Lamar, Marion	78 min
Jun 25, 9:02 PM CDT	Special Weather Statement	BMX	Bullock	58 min
Jun 25, 9:41 PM CDT	Special Weather Statement	BMX	Barbour, Bullock, Pike	64 min
Jun 25, 9:52 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Winston	23 min
Jun 25, 10:16 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Walker	44 min
Jun 25, 10:38 PM CDT	Special Weather Statement	BMX	Pickens, Tuscaloosa	52 min
Jun 25, 10:42 PM CDT	Special Weather Statement	BMX	Blount, Jefferson	48 min
Jun 25, 10:58 PM CDT	Special Weather Statement	BMX	Pike	32 min
Jun 25, 11:13 PM CDT	Special Weather Statement	BMX	Jefferson, Shelby	47 min
Jun 25, 11:14 PM CDT	Severe Thunderstorm Warning	BMX	Pike	32 min
Jun 25, 11:16 PM CDT	Special Weather Statement	BMX	Tuscaloosa	44 min
Jun 25, 11:43 PM CDT	Special Weather Statement	BMX	Bibb, Greene, Hale, Sumter	62 min
Jun 25, 11:46 PM CDT	Special Weather Statement	BMX	Shelby, Talladega	59 min
Jun 26, 1:02 AM CDT	Special Weather Statement	BMX	Autauga, Dallas, Marengo, Perry	43 min
Jun 26, 1:03 AM CDT	Special Weather Statement	BMX	Montgomery	27 min
Jun 26, 1:07 AM CDT	Special Weather Statement	BMX	Chilton	38 min
Jun 26, 1:31 AM CDT	Special Weather Statement	BMX	Autauga, Dallas, Lowndes	44 min
Jun 26, 2:43 AM CDT	Heat Advisory	BMX	Greene, Marengo, Pickens, Sumter	16 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2023 Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.